The doping or the alteration of crystals with guest species to obtain desired properties has
long been a research frontier in materials science. However, the closely packed lattice …

The physics of quantum materials is dictated by many-body interactions and mathematical
concepts such as symmetry and topology that have transformed our understanding of matter …

Moiré superlattices in twisted van der Waals materials have recently emerged as a
promising platform for engineering electronic and optical properties. A major obstacle to fully …

Abstract Two-dimensional (2D) semiconductors have attracted intense interest for their
unique photophysical properties, including large exciton binding energies and strong gate …

Resolving momentum degrees of freedom of excitons, which are electron-hole pairs bound
by the Coulomb attraction in a photoexcited semiconductor, has remained an elusive goal …

Moiré superlattices formed by van der Waals materials can support a wide range of
electronic phases, including Mott insulators,,–, superconductors,,,,–and generalized Wigner …

Abstract 2D monolayers supporting a wide variety of highly confined plasmons, phonon
polaritons, and exciton polaritons can be vertically stacked in van der Waals …

Designing well-ordered nanocrystal arrays with subnanometre distances can provide
promising materials for future nanoscale applications. However, the fabrication of aligned …

Bilayer graphene has been predicted to host a moiré miniband with flat dispersion if the
layers are stacked at specific twist angles known as the'magic angles',. Recently, twisted …

Van der Waals (vdW) interfaces based on 2D materials are promising for optoelectronics, as
interlayer transitions between different compounds allow tailoring of the spectral response …